Freightliner Semi Trucks – Higher MPG Through Aerodynamics

A very important aspect of fuel economy in semi trucks is the shape of the exterior. Some folks may not care about aerodynamic looks from an aesthetic standpoint, but Freightliner’s new SuperTruck scores an impressive 12 MPG due to these types of refinements. This semi truck features a separated radiator that is cooled via ram air on either side of the front of the truck rather than the center. Those same openings also create a tunnel where warm air gets exhausted around the front tires and